肺叶发育不全者病变MRI信号比较均匀，TWI上呈中等信号。
参考答案：错
寒邪的性质和致病特点是()
A.其性重浊
B.其性黏滞
C.其性干涩
D.其性趋下
E.其性凝滞
读一读，填一填。
A: What 1._______ you 2._______ last weekend?
B: I 3._______ shopping.
A: 4._______ did you go there with?
B: I went there with my mother.
A: Well, what did you 5.________?
B: I 6.________ some new books.
